import re
import requests
import bs4
from bs4 import BeautifulSoup
import matplotlib.pyplot as plt
import numpy

def getHTMLText (url):
    try:
        r = requests.get(url , timeout=30)
        r.raise_for_status()
        r.encoding = r.apparent_encoding
        return r.text
    except:
        return ""


def fillUnivList(ulist,html):
    soup = BeautifulSoup(html,'html.parser')
    for tr in soup.find('tbody').children:
        if isinstance(tr,bs4.element.Tag):
            tds = tr('td')
            ulist.append([tds[0].string,tds[1].string,tds[11].string])
    return ulist

def printUnivList(ulist,num):
    tplt = '{0:^10}\t{1:{3}^10}\t{2:^10}'
    print(tplt.format("排名",'学校','科研经费',chr(12288 )))
    for i in range(num):
        u=ulist[i]
        print(tplt.format(u[0],u[1],u[2],chr(12288)))




if __name__ == '__main__':
    uinfo = []
    url = 'http://www.zuihaodaxue.com/zuihaodaxuepaiming2019.html'
    html = getHTMLText(url)
    flist = fillUnivList(uinfo,html)
    nn = numpy.array(flist)
    x = nn[:,1]
    y = int(nn[:,2])
    # plt(y)
    # plt.show()


